<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>

<head>
<style>
div {
	color: blue;
	text-align: center;
	font-size:30px; 
}
</style>

<meta charset="UTF-8">
<title>微信开发测试</title>
</head>
<body>
<div><h1>Hello!</h1></div>
</body>
</html>